diff --git a/test/acceptance/workspaces/yarn-package/node_modules/object-assign/package.json b/test/acceptance/workspaces/yarn-package/node_modules/object-assign/package.json
index 99d547130b..f7d958f3f8 100644
--- a/test/acceptance/workspaces/yarn-package/node_modules/object-assign/package.json
+++ b/test/acceptance/workspaces/yarn-package/node_modules/object-assign/package.json
@@ -34,10 +34,10 @@
   "deprecated": false,
   "description": "ES2015 `Object.assign()` ponyfill",
   "devDependencies": {
-    "ava": "^0.16.0",
+    "ava": "^4.0.0",
     "lodash": "^4.16.4",
     "matcha": "^0.7.0",
-    "xo": "^0.16.0"
+    "xo": "^0.40.3"
   },
   "engines": {
     "node": ">=0.10.0"